/* Copyright (c) 2006-2007 Christopher J. W. Lloyd

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */

#import <AppKit/NSTypesetter.h>
#import <AppKit/NSFont.h>
#import <AppKit/NSParagraphStyle.h>

@class NSTextContainer,NSRangeArray, NSParagraphStyle;

@interface NSTypesetter_concrete : NSTypesetter {
   IMP                 _layoutNextFragment;

   unsigned            _nextGlyphLocation;
   unsigned            _numberOfGlyphs;
   NSRange             _glyphCacheRange;
   unsigned            _glyphCacheCapacity;
   NSGlyph            *_glyphCache;
   unichar            *_characterCache;

    
    NSUInteger          _bidiLevelsCapacity;
    uint8_t             *_bidiLevels;
    uint8_t             _currentBidiLevel;
    uint8_t             _currentParagraphBidiLevel;
    
	BOOL				   _paragraphBreak;
	
   NSTextContainer    *_container;
   NSSize              _containerSize;

   NSDictionary       *_attributes;
   NSRange             _attributesRange;
   NSRange             _attributesGlyphRange;
   NSFont             *_font;
   float               _fontAscender;
   float               _fontDefaultLineHeight;
   NSPoint           (*_positionOfGlyph)(NSFont *,SEL,NSGlyph,NSGlyph,BOOL *);
   NSTextAlignment     _alignment;
   NSLineBreakMode     _lineBreakMode;
   float               _whitespaceAdvancement;

   NSRange             _lineRange;
   NSRangeArray       *_glyphRangesInLine;
   NSGlyph             _previousGlyph;
	NSRect              _scanRect;
	NSRect _wordWrapScanRect;
	NSRect              _fullLineRect;
   float               _maxAscender;
	
	NSRange				_wordWrapRange;
	float				_wordWrapWidth;
	NSGlyph				_wordWrapPreviousGlyph;
}

@end
